This work compiles submissions published in the SM magazine "Mania Club." The submitter, Sachiko (pseudonym), describes her pitiful existence as a mother being trained as a female slave● by her own son, Kou. Kou was an outstanding student—graduating from a top university and landing a job at a major corporation. He was expected to succeed his father and lead numerous employees in the future. However, an abnormal sexual desire had begun to grow within him. Influenced by middle-aged men he met online, his interest in BDSM deepened, eventually leading him to view me, his own mother, as a sexual object. Kou desired to toy with me as his slave● and torment● me sexually. When I first heard this shocking confession, I was overwhelmed with despair and felt intense guilt for failing to recognize my son's twisted desires. How much pain must serious, brilliant Kou have endured...? Knowing it was wrong, I still gave in to my son's demands and crossed the line... In Scene 1, I was ordered to always relieve myself in front of S-san and Kou during training, and was told to urinate while standing in the toilet. That day, to test how heightened my body’s sensitivity had become, I was made to masturbate while pinching my own nipples, after which I continued to be treated as nothing more than a plaything. In Scene 2, genital inspections continued—my groin was carefully stimulated with fingers and a vibrator, yet I was not allowed to climax. Before I knew it, I was unconsciously thrusting my hips, craving release. I realized then just how effective the training had become...